21Symptoms, signs or clinical findings, not elsewhere classified Ill-defined or unknown causes of mortality MH12Other sudden death, cause unknown
MH12.0
category
Instantaneous death
Inclusions
Sudden unexplained death in adult Also indexed as
Instantaneous death SADS - [sudden adult death syndrome] SDS - [sudden death syndrome] Sudden unexplained death in adult dropped dead fatal syncope instantaneous death unexplained sudden death sudden death cause unknown
Nearby in Other sudden death, cause unknown
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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